RECOGNITION OF ENGINEERING DRAWING ENTITIES: REVIEW OF APPROACHES

Author:

ABLAMEYKO SERGEY V.1,UCHIDA SEIICHI2

Affiliation:

1. United Institute of Informatics Problems of the National Academy of Sciences, Surganova 6, Minsk, 220012, Belarus

2. Department of Intelligent Systems, Kyushu University, Motooka 744, Higashi-ku, Fukuoka-shi, 809-0395, Japan

Abstract

Recognition of engineering drawing entities is one of the most difficult stages in engineering drawing interpretation and many attempts to recognize various types of ED entities have been made. In this paper, we review algorithms for the recognition of ED entities, especially dimensions and crosshatching areas. For the recognition of dimensions, we analyze how dimension texts can be separated from graphics and how arrowheads of dimension lines are recognized. We also analyze the recent systems of ED interpretation. Finally, future tasks are discussed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Computer Vision and Pattern Recognition

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